[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.12.08"]
[Round "18"]
[White "Krogius, Nikolai V"]
[Black "Vladimirov, Boris T"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 O-O 10. f4 Qa5 11. e5 dxe5 12. Qxe5 b6 13. Be2 Qxe5 14. fxe5 Nd5 15. Bxe7 Nxe7 16. Rhe1 Ng6 17. Bf3 Rb8 18. Nb5 a5 19. Nd6 Ba6 20. b3 Rfd8 21. c4 Kf8 22. Bh5 Ke7 23. Bxg6 hxg6 24. Rf1 f6 25. Rd2 Bb7 26. Nxb7 Rxd2 27. Kxd2 Rxb7 28. exf6+ gxf6 29. Kc3 Rd7 30. a3 f5 31. b4 axb4+ 32. axb4 e5 33. Ra1 Ke6 34. Ra6 Rd6 35. Ra8 e4 36. Re8+ Kd7 37. Re5 Rd3+ 38. Kc2 Kd6 39. Rb5 Kc6 40. Re5 Kd6 41. Rb5 1/2-1/2